More didactic documentation #598

Job	Run time
Dialyzer (25.1.x, 1.15.x)	1m 2s
Check format	18s
Dialyzer (26.1.x, 1.15.x)	1m 6s
Check release	55s
OTP 23.x / Elixir 1.12.x	42s
Interop tests	1m 59s
Interop tests OTP ${{ matrix.otp }} / Elixir ${{ matrix.elixir }}	0s
OTP 23.x / Elixir 1.13.x	45s
OTP 23.x / Elixir 1.14.x	42s
OTP 24.x / Elixir 1.12.x	44s
OTP 24.x / Elixir 1.13.x	40s
OTP 24.x / Elixir 1.14.x	38s
OTP 24.x / Elixir 1.15.x	54s
OTP 25.1.x / Elixir 1.14.x	46s
OTP 25.1.x / Elixir 1.15.x	58s
OTP 26.1.x / Elixir 1.15.x	1m 15s
	13m 24s

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